<template>
  <div>
    <el-form
      :rules="rules"
      ref="loginForm"
      v-loading="loading"
      element-loading-text="拼命加载中"
      element-loading-spinner="el-icon-loading"
      element-loading-background="rgba(0, 0, 0, 0.8)"
      :model="loginForm"
      class="loginContainer"
    >
      <h3 class="loginTitle">系统登录</h3>
      <el-form-item prop="username">
        <el-input
          type="text"
          auto-complete="false"
          v-model="loginForm.username"
          placeholder="请输入用户名"
        ></el-input>
      </el-form-item>
      <el-form-item prop="password">
        <el-input
          type="password"
          auto-complete="false"
          v-model="loginForm.password"
          placeholder="请输入密码"
        ></el-input>
      </el-form-item>
      <el-form-item prop="code">
        <el-input
          type="text"
          auto-complete="false"
          v-model="loginForm.code"
          placeholder="点击图片更换验证码"
          style="width: 250px; margin-right: 5px"
        >
        </el-input>
        <img :src="captchaUrl" @click="updateCaptcha" />
      </el-form-item>

<!--       <el-checkbox
        class="loginRemember"
        style="float: left"
        v-model="loginForm.remember"
        >记住我</el-checkbox
      > -->
      <el-button type="primary" style="width: 100%" @click="submitLogin"
        >登录</el-button
      >
    </el-form>
  </div>
</template>

<script>
export default {
  data() {
    return {
      captchaUrl: "captcha?time=" + new Date(),
      loginForm: {
        username: "",
        password: "",
        code: "",
        //remember: false,
      },
      loading: false,
      rules: {
        username: [
          { required: true, message: "请输入用户名", trigger: "blur" },
          {
            min: 3,
            max: 20,
            message: "长度在 3 到 20 个字符",
            trigger: "blur",
          },
        ],
        password: [
          { required: true, message: "请输入密码", trigger: "blur" },
          {
            min: 3,
            max: 60,
            message: "长度在 3 到 60 个字符",
            trigger: "blur",
          },
        ],
        code: {
          required: true,
          message: "请输入验证码",
          trigger: "blur",
        },
      },
    };
  },
  methods: {
    updateCaptcha() {
      this.captchaUrl = "captcha?time=" + new Date();
    },
    submitLogin() {
      this.$refs["loginForm"].validate((valid) => {
        if (valid) {
          this.loading = true;
          this.$post("admin/login", this.loginForm).then((res) => {
            if (res.code == 200 && res.data) {
              this.loading = false;
              sessionStorage.setItem(
                "tokenStr",
                res.data.tokenHead + " " + res.data.token
              );
              setTimeout(this.$router.replace("/home"), 2000);
            }
          });
        } else {
          this.$message.error("数据校验失败，请检查！");
        }
      });
    },
  },
};
</script>

<style>
.loginContainer {
  border-radius: 15px;
  background-clip: padding-box;
  margin: 180px auto;
  width: 350px;
  padding: 15px 35px 15px 35px;
  background: #fff;
  border: 1px solid #eaeaea;
  box-shadow: 0 0 25px #cac6c6;
}

.loginTitle {
  margin: 0px auto 40px auto;
  text-align: center;
}

.loginRemember {
  text-align: left;
  margin: 0px 0px 15px 0px;
}

.el-form-item__content {
  display: flex;
  align-items: center;
}
</style>